Firefox Spell Checker Doesn’t Work In Apple Mac OSX – How to fix…

I’ve moved from Ubuntu to Apple Mac OSX and like to use Firefox. However, rather annoyingly the Firefox spell checker doesn’t appear to work on Apple by default. Bizarrely, it doesn’t highlight any incorrect spellings. I found that the only way to fix it was to add another dictionary to Firefox. Here is how I did it.

Step 1 – Find a dialogue box or text box and right click. You should see a menu like so. You could click Language -> Add Dictionaries